Stable is the latest release. Dev is built from every change to main.
Source: https://atiinlabs.github.io/Ito/apps.json
Source: https://atiinlabs.github.io/Ito/apps-dev.json
Both channels use the same bundle identifier, so installing one replaces the other. TrollStore signs the unsigned app with ldid on install; install ldid from TrollStore settings first.